import 'package:event_bus/event_bus.dart';

abstract class EventBusUtil {
  static EventBus? _instance;

  static EventBus getInstance() {
    _instance ??= EventBus();
    return _instance!;
  }
}

//出入库Event
class OutInWarehouseEvent {
  OutInWarehouseEvent({this.list, this.map});

  List? list;
  Map? map;
}
